DE50004336D1 - Digitales gmsk-filter - Google Patents

Digitales gmsk-filter

Info

Publication number
DE50004336D1
DE50004336D1 DE50004336T DE50004336T DE50004336D1 DE 50004336 D1 DE50004336 D1 DE 50004336D1 DE 50004336 T DE50004336 T DE 50004336T DE 50004336 T DE50004336 T DE 50004336T DE 50004336 D1 DE50004336 D1 DE 50004336D1
Authority
DE
Germany
Prior art keywords
filter
gmsk
implementation
current sources
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE50004336T
Other languages
English (en)
Inventor
Christian Kranz
Volker Christ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Infineon Technologies AG filed Critical Infineon Technologies AG
Priority to DE50004336T priority Critical patent/DE50004336D1/de
Application granted granted Critical
Publication of DE50004336D1 publication Critical patent/DE50004336D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/745—Simultaneous conversion using current sources as quantisation value generators with weighted currents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electrophonic Musical Instruments (AREA)
DE50004336T 1999-04-22 2000-04-11 Digitales gmsk-filter Expired - Lifetime DE50004336D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50004336T DE50004336D1 (de) 1999-04-22 2000-04-11 Digitales gmsk-filter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19918388 1999-04-22
PCT/DE2000/001121 WO2000065789A1 (de) 1999-04-22 2000-04-11 Digitales gmsk-filter
DE50004336T DE50004336D1 (de) 1999-04-22 2000-04-11 Digitales gmsk-filter

Publications (1)

Publication Number Publication Date
DE50004336D1 true DE50004336D1 (de) 2003-12-11

Family

ID=7905569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50004336T Expired - Lifetime DE50004336D1 (de) 1999-04-22 2000-04-11 Digitales gmsk-filter

Country Status (9)

Country Link
US (1) US6771711B2 (de)
EP (1) EP1171981B1 (de)
JP (1) JP3624161B2 (de)
KR (1) KR100494051B1 (de)
CN (1) CN1134142C (de)
AT (1) ATE253795T1 (de)
DE (1) DE50004336D1 (de)
DK (1) DK1171981T3 (de)
WO (1) WO2000065789A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6357255B1 (en) * 1998-09-24 2002-03-19 Osaka Gas Co., Ltd. Regenerator for use in ammonia absorption refrigerator
DE19930113B4 (de) * 1999-06-30 2006-09-14 Infineon Technologies Ag Vorrichtung und Verfahren zum Filtern eines einen digitalen Datenstrom repräsentierenden Signals
US7252964B2 (en) * 2001-06-12 2007-08-07 Institut De Recherche Pour Le Developpement (I.R.D.) Isolated carotenoid biosynthesis gene cluster involved in canthaxanthin production and applications thereof
US6664909B1 (en) * 2001-08-13 2003-12-16 Impinj, Inc. Method and apparatus for trimming high-resolution digital-to-analog converter
US6909389B1 (en) 2002-06-14 2005-06-21 Impinj, Inc. Method and apparatus for calibration of an array of scaled electronic circuit elements
US7219837B2 (en) 2002-09-12 2007-05-22 Integrated Engineering B.V. Identification system
US7187237B1 (en) 2002-10-08 2007-03-06 Impinj, Inc. Use of analog-valued floating-gate transistors for parallel and serial signal processing
AU2003275479A1 (en) * 2002-10-08 2004-05-04 Impinj, Inc. Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined
CN1829207B (zh) * 2005-02-28 2010-07-21 鼎芯半导体（上海）有限公司 带发射调制补偿器的二进制频移键控信号发射调制器
CN1330089C (zh) * 2005-04-19 2007-08-01 展讯通信（上海）有限公司 有限脉冲响应滤波与欠采样相结合的方法
FR2890808A1 (fr) 2005-09-13 2007-03-16 France Telecom Caracterisation de spectre pour equipements de communication
KR100773745B1 (ko) * 2006-07-14 2007-11-09 삼성전자주식회사 Ｇｍｓｋ변조에 기초한 데이터 변조 장치 및 이를 포함하는데이터 송신 장치
US7860477B2 (en) * 2007-08-23 2010-12-28 Infineon Technologies Ag Self-calibrating filter
CN101861699A (zh) * 2007-11-15 2010-10-13 卡贝无线硅股份有限公司 使用多个时钟的抽样滤波器
US7764213B2 (en) * 2008-07-01 2010-07-27 Microchip Technology Incorporated Current-time digital-to-analog converter
US8970418B1 (en) * 2013-08-19 2015-03-03 Analog Devices, Inc. High output power digital-to-analog converter system
US10056924B2 (en) 2013-08-19 2018-08-21 Analog Devices, Inc. High output power digital-to-analog converter system
US20190115883A1 (en) * 2015-01-09 2019-04-18 Mitsutoshi Sugawara Analogue signal output circuit
CN107431906B (zh) * 2015-04-15 2020-02-21 华为技术有限公司 参考信号发送与接收方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06303137A (ja) * 1992-12-29 1994-10-28 Hitachi Ltd Ｄ／ａ変換器、オフセット調整回路及びこれを用いた携帯通信端末装置
US5663728A (en) * 1995-05-18 1997-09-02 Hughes Aircraft Company Digital-to-analog converted (DAC) and method that set waveform rise and fall times to produce an analog waveform that approximates a piecewise linear waveform to reduce spectral distortion
CN1093994C (zh) * 1995-07-21 2002-11-06 皇家菲利浦电子有限公司 无线电数字通讯装置,和脉冲整形网络
US6487242B1 (en) * 1996-03-08 2002-11-26 Vlsi Technology, Inc. Method and apparatus for VCO modulation in a communication system
US6072340A (en) * 1997-03-24 2000-06-06 Tellabs Operations, Inc. Pulse shaping and filtering circuit for digital pulse data transmissions
DE19930113B4 (de) * 1999-06-30 2006-09-14 Infineon Technologies Ag Vorrichtung und Verfahren zum Filtern eines einen digitalen Datenstrom repräsentierenden Signals

Also Published As

Publication number Publication date
JP3624161B2 (ja) 2005-03-02
ATE253795T1 (de) 2003-11-15
US20020089440A1 (en) 2002-07-11
JP2002543671A (ja) 2002-12-17
EP1171981B1 (de) 2003-11-05
DK1171981T3 (da) 2004-03-15
WO2000065789A1 (de) 2000-11-02
CN1134142C (zh) 2004-01-07
KR100494051B1 (ko) 2005-06-13
CN1348652A (zh) 2002-05-08
US6771711B2 (en) 2004-08-03
KR20010113878A (ko) 2001-12-28
EP1171981A1 (de) 2002-01-16

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